Re: [PATCH v10 0/4] Introduce usb charger framework to deal with the usb gadget power negotation

From: Baolin Wang
Date: Mon Apr 18 2016 - 01:46:16 EST


Hi Felipe,

What do you think of this version patchset? Could you review this
patchset when you feel free? I really hope to move the usb charger
forwards with suggestions. Thanks.

On 7 April 2016 at 19:48, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote:
> Currently the Linux kernel does not provide any standard integration of this
> feature that integrates the USB subsystem with the system power regulation
> provided by PMICs meaning that either vendors must add this in their kernels
> or USB gadget devices based on Linux (such as mobile phones) may not behave
> as they should. Thus provide a standard framework for doing this in kernel.
>
> Now introduce one user with wm831x_power to support and test the usb charger,
> which is pending testing. Moreover there may be other potential users will use
> it in future.
>
> Changes since v9:
> - Remove some redundant sysfs attributes.
> - Change the SDP charger default current if gadget is SS.
> - Remove the 'get_charger_type' callback in gadget->ops.
>
> Baolin Wang (4):
> gadget: Introduce the usb charger framework
> gadget: Support for the usb charger framework
> gadget: Integrate with the usb gadget supporting for usb charger
> power: wm831x_power: Support USB charger current limit management
>
> drivers/power/wm831x_power.c | 69 ++++
> drivers/usb/gadget/Kconfig | 7 +
> drivers/usb/gadget/udc/Makefile | 1 +
> drivers/usb/gadget/udc/charger.c | 766 +++++++++++++++++++++++++++++++++++++
> drivers/usb/gadget/udc/udc-core.c | 11 +
> include/linux/mfd/wm831x/pdata.h | 3 +
> include/linux/usb/charger.h | 173 +++++++++
> include/linux/usb/gadget.h | 13 +
> include/uapi/linux/usb/charger.h | 31 ++
> 9 files changed, 1074 insertions(+)
> create mode 100644 drivers/usb/gadget/udc/charger.c
> create mode 100644 include/linux/usb/charger.h
> create mode 100644 include/uapi/linux/usb/charger.h
>
> --
> 1.7.9.5
>



--
Baolin.wang
Best Regards